Question

An energy pyramid shows that about 90 percent of the energy represented in each trophic level is

A. passed on to the level above it.
B. used by decomposers.
C. lost to the environment as heat.
D. recycled by the ecosystem.

Answer 1

The answer is C. As you go up the trophic pyramid, 90% of the energy is lost to heat and the remaining 10% goes to the next section